Z86E3016PSG Datasheet, PDF (114/348 Pages) Zilog, Inc. – Z86E3016PSG

Z8 Family of Microcontrollers
User Manual
96
Register F8h
Port 0–1 Mode Register (P01M)
(Write-Only)
010 0 11 0 1
P00–P03 Mode
00 = Output
01 = Input
1X = A8–A11
Stack Selection
0 = External
1 = Internal
P10–P17 Mode
00 = Byte Output
01 = Byte Output
10 = AD0–AD7
11 = High Impedance AD0–AD7,
A8–A15, AS, DS, R/W
External Memory Timing
Normal = 0
Extended = 1
P04–P07 Mode
Output = 00
Input = 01
A12–A15 = 1X
Figure 54. Port 0/1 Reset
I/O Ports
UM001602-0904